# sterol

> English word · Noun · IPA /ˈstɛɹɒl/ · frequency rank #87,866

## Definitions
1. Any steroid that contains a hydroxyl group in the 3-position of the A-ring.

## Etymology
From 1913; back-formation from cholesterol.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/sterol